deadly shriek

Boy's voice 'kills 400 chickens'

here's the story: a boy gets scared by a dog, screams, which in turn initiates a mass stampede among chickens - in which over 400 perish.
sound unlikely? it's on CNN (via reuters) ...so it must be true!

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disclaimer - much as i'd have love to take the credit for making this up, alas i did not.